/*
* JORAM: Java(TM) Open Reliable Asynchronous Messaging
* Copyright (C) 2003 - 2009 ScalAgent Distributed Technologies
* Copyright (C) 2004 France Telecom R&D
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Initial developer(s): ScalAgent Distributed Technologies
* Contributor(s):
*/
package org.objectweb.joram.mom.proxies.tcp;
import org.objectweb.joram.mom.proxies.AckedQueue;
import org.objectweb.joram.mom.proxies.ProxyMessage;
import org.objectweb.joram.shared.client.MomExceptionReply;
import org.objectweb.util.monolog.api.BasicLevel;
import org.objectweb.util.monolog.api.Logger;
import fr.dyade.aaa.common.Daemon;
import fr.dyade.aaa.common.Debug;
/**
* The activity responsible for getting the replies
* from the user's proxy and writing them to the
* socket.
*/
public class TcpWriter extends Daemon {
/** logger */
public static Logger logger = Debug.getLogger(TcpWriter.class.getName());
/**
* The TCP connection that started this writer.
*/
private TcpConnection tcpConnection;
private IOControl ioctrl;
private AckedQueue replyQueue;
/**
* Creates a new writer.
*/
public TcpWriter(IOControl ioctrl,
AckedQueue replyQueue,
TcpConnection tcpConnection) {
super("tcpWriter." + tcpConnection.getKey());
this.ioctrl = ioctrl;
this.replyQueue = replyQueue;
this.tcpConnection = tcpConnection;
replyQueue.reset();
}
public void run() {
if (logger.isLoggable(BasicLevel.DEBUG))
logger.log(BasicLevel.DEBUG, "TcpWriter.run()");
try {
while (running) {
ProxyMessage msg = replyQueue.get();
if ((msg.getObject() instanceof MomExceptionReply) &&
(((MomExceptionReply) msg.getObject()).getType() == MomExceptionReply.HBCloseConnection)) {
// Exception indicating that the connection
// has been closed by the heart beat task.
// (see UserAgent)
new Thread(new Runnable() {
public void run() {
tcpConnection.close();
}
}).start();
} else {
ioctrl.send(msg);
// No queue.pop() !
// Done by the proxy (UserAgent)
}
}
} catch (Exception exc) {
if (logger.isLoggable(BasicLevel.DEBUG))
logger.log(BasicLevel.DEBUG, "", exc);
}
}
protected void shutdown() {
close();
}
protected void close() {
if (logger.isLoggable(BasicLevel.DEBUG))
logger.log(BasicLevel.DEBUG,
"TcpWriter.close()", new Exception());
if (ioctrl != null)
ioctrl.close();
ioctrl = null;
}
}